In debian/watch no matching files for watch line
https://addons.mozilla.org/en-US/firefox/addon/web-developer/ https://addons.mozilla.org/firefox/downloads/file/\d+/web_developer-(\d+(?:\.\d+){1,3}(?:\w+\d+)?)-[+\w]+\.xpi\?src=dp-btn-\w+

vcswatch reports that
there is an error with this package's VCS, or the debian/changelog file inside
it. Please check the error shown below and try to fix it. You might have
to update the VCS URL in the debian/control file to point to the correct
repository.

fatal: repository 'https://anonscm.debian.org/git/pkg-mozext/webdeveloper.git/' not found